title: Malignant ovarian tumors simulating hydatidiform mole on ultrasound.
mesh_terms: D000293:Adolescent; D002277:Carcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D004407:Dysgerminoma / Q000175:diagnosis; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000175:diagnosis*; D010051:Ovarian Neoplasms / Q000175:diagnosis*; D011247:Pregnancy; D014463:Ultrasonography; D014594:Uterine Neoplasms / Q000175:diagnosis*